Title:
ROTOR, ELECTRIC MOTOR, COMPRESSOR, AND AIR CONDITIONING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/203364
Kind Code:
A1
Abstract:
A rotor is configured from a laminate in which two or more first electromagnetic steel sheets and a second electromagnetic steel sheet are laminated in an axis-line direction, and comprises a rotor core having a magnet insertion hole passing through the laminate in the axis-line direction, and a first permanent magnet and a second permanent magnet disposed in the magnet insertion hole. In a circumferential direction about the axis line, the magnet insertion hole has a first region in which the first permanent magnet is disposed, and a second region in which the second permanent magnet is inserted. The two or more first electromagnetic steel sheets are positioned at least at one axis-line-direction end of the rotor core. The two or more first electromagnetic steel sheets all have a bridge for dividing the magnet insertion hole into the first region and the second region. The second electromagnetic steel sheet has a magnet insertion hole in which the first region and the second region are formed continuously.
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Inventors:
WATANABE TAKANORI (JP)
Application Number:
PCT/JP2017/017134
Publication Date:
November 08, 2018
Filing Date:
May 01, 2017
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02K1/27
Domestic Patent References:
| WO2016104418A1 | 2016-06-30 |
Foreign References:
| JP2011004480A | 2011-01-06 | |||
| JP2014007925A | 2014-01-16 | |||
| JP2013046466A | 2013-03-04 |
Attorney, Agent or Firm:
MAEDA Minoru et al. (JP)
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